| 15901 | Kintex Petroleum Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Sep 2025 |
| 15902 | Kinzer, J. W. | | Oil & Gas Operator | Dec 2006 |
| 15903 | Kiowa Gas Company | Dallas, TX 75206 | Oil & Gas Operator | May 2025 |
| 15904 | Kiowa Producers, LLC | Parsons, KS 67357 | Oil & Gas Operator | Jan 2025 |
| 15905 | Kiowa-T.N.T., Inc. | | Oil Operator | Sep 1981 |
| 15906 | Kipling Energy Incorporated | Shelby, MT 59474 | Oil & Gas Operator | Jan 2011 |
| 15907 | Kirby & Son Dozing | Lewisburg, KY 42256 | Oil Operator | Dec 2023 |
| 15908 | Kirby Exploration Co | Houston, TX 77251 | Oil & Gas Operator | Jan 2014 |
| 15909 | Kirby Exploration Co Of Texas | | Oil & Gas Operator | Nov 1993 |
| 15910 | Kirby Oil Company | | Oil Operator | Dec 2024 |
| 15911 | Kirk Billie E | Morris, OK 74445 | Oil & Gas Operator | Jun 2025 |
| 15912 | Kirk David | Midland, TX 79705 | Oil & Gas Operator | Jul 2025 |
| 15913 | Kirk Tank Trucks Inc | Morris, OK 74445 | Oil & Gas Operator | Dec 2021 |
| 15914 | Kirkconnell And Associates | | Oil & Gas Operator | Dec 1996 |
| 15915 | Kirkman W L Inco | | Oil & Gas Operator | Dec 1994 |
| 15916 | Kirkpatrick | Longton, KS 67352 | Oil Operator | Jun 2000 |
| 15917 | Kirkpatrick Oil & Gas Co. | Pampa, TX 79066 | Oil & Gas Operator | Apr 1996 |
| 15918 | Kirkpatrick Oil & Gas L.L.C. | Midland, TX 79701 | Oil & Gas Operator | Dec 2010 |
| 15919 | Kirkpatrick Oil Company | Nichols Hill, OK 73116 | Oil & Gas Operator | Sep 2025 |
| 15920 | Kirkpatrick Properties LLC | Ellinwood, KS 67526 | Oil Operator | May 2025 |
| 15921 | Kirkpatrick Ronald B | | Oil & Gas Operator | Jul 2013 |
| 15922 | Kirkpatrick W E | Ponca City, OK 74604-4146 | Gas Operator | Oct 2001 |
| 15923 | Kirkpatrick, John Oil LLC | Victoria, TX 77905 | Oil & Gas Operator | Sep 2025 |
| 15924 | Kirkwood Engineering, LTD | | Oil Operator | Dec 1991 |
| 15925 | Kirkwood Oil And Gas Co. | | Oil Operator | Jan 1988 |
| 15926 | Kirkwood W C | Casper, WY 82602 | Oil & Gas Operator | May 2005 |
| 15927 | Kirpatrick Supply Co | | Oil Operator | Jun 2025 |
| 15928 | Kirrie Oil Company LLC | Oklahoma City, OK 73113-0125 | Oil & Gas Operator | Jun 2025 |
| 15929 | Kirsch, Doris R. | Strykersville, NY 14145 | Gas Operator | Dec 2024 |
| 15930 | Kirtley, Ralph | | Oil & Gas Operator | Dec 2005 |
| 15931 | Kis Oil & Gas Inc | Brookville, PA 15825-4210 | Oil & Gas Operator | Dec 2014 |
| 15932 | Kisatchie Resources, LTD. | | Gas Operator | Jul 1991 |
| 15933 | Kiska Oil & Gas Inc | Tulsa, OK 74103 | Oil Operator | Oct 2012 |
| 15934 | Kiska Oil Compan | | Oil & Gas Operator | Oct 1989 |
| 15935 | Kiska Oil Company | Tulsa, OK 74114 | Oil & Gas Operator | Jan 2019 |
| 15936 | Kismet Properties, Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Sep 2025 |
| 15937 | Kiss Productions | | Oil & Gas Operator | Oct 2002 |
| 15938 | Kissack Resources. LLC | | Oil & Gas Operator | Jul 2025 |
| 15939 | Kissack Water & Oil Service Inc | Rozet, WY 82727 | Oil & Gas Operator | Jun 2025 |
| 15940 | Kissinger Petroleum Corp | | Oil & Gas Operator | Nov 1983 |
| 15941 | Kistler John & Ruth | Newcomerstown, OH 43832 | Oil & Gas Operator | Dec 1998 |
| 15942 | Kitchen, Robert (Deceased) | Osawatomie, KS 66064 | Oil Operator | Oct 2009 |
| 15943 | Kittle Oil | | Oil Operator | Apr 2025 |
| 15944 | Kiva Resources Inc. | Houston, TX 77265 | Oil & Gas Operator | Mar 2008 |
| 15945 | Kivett Kenneth W | Blackwell, OK 74631-0134 | Oil & Gas Operator | Jun 2001 |
| 15946 | Kiwanda Energy, Inc. | Denver, CO 80202 | Oil & Gas Operator | Jan 2008 |
| 15947 | Kiwanda Resc Inc | | Oil & Gas Operator | Aug 1993 |
| 15948 | Kizzar Well Servicing, Inc. | Chase, KS 67524 | Oil Operator | May 2025 |
| 15949 | KJ Energy, LLC | MT Enterprise, TX 75681 | Oil & Gas Operator | Jul 2024 |
| 15950 | KJ Energy, LLC Of Delaware | | Oil & Gas Operator | Nov 2016 |
| 15951 | KJB Oil Company LLC | Dewey, OK 74029-3053 | Oil Operator | Jun 2025 |
| 15952 | Kjellin, Charles Willard (Deceased) | Marion, KS 66861 | Oil & Gas Operator | Oct 2013 |
| 15953 | KJR Services LLC | Edmond, OK 73083 | Oil & Gas Operator | Jun 2025 |
| 15954 | Klabzuba Brothers LLC | Prague, OK 74864-0567 | Oil & Gas Operator | Jul 2007 |
| 15955 | Klabzuba Oil & Gas Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 2012 |
| 15956 | Klabzuba Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 2013 |
| 15957 | Klabzuba Royalty Company | Prague, OK 74864-0567 | Oil & Gas Operator | Dec 2019 |
| 15958 | Klaeger Operating Company II,LLC | Marble Falls, TX 78654 | Oil Operator | Sep 2025 |
| 15959 | Klaeger Operating Company, LLC | Marble Falls, TX 78654 | Oil Operator | Sep 2025 |
| 15960 | Klaeger, J. H. | Hondo, TX 78861 | Oil & Gas Operator | Dec 2009 |
| 15961 | Klassen Energy, Inc. | Cisco, TX 76437 | Oil & Gas Operator | Sep 2025 |
| 15962 | Klause & Klaus Oil Co. | Pampa, TX 79066 | Oil & Gas Operator | Mar 2003 |
| 15963 | KLB Operating, Inc. | Plainville, KS 67663 | Oil Operator | Aug 2001 |
| 15964 | KLBW Partners, L.L.C. | Ratliff City, OK 73481 | Oil & Gas Operator | Jun 2025 |
| 15965 | KLC Petroleum Company, LLC | Henderson, KY 42420 | Oil Operator | Dec 2021 |
| 15966 | KLD Energy | | Oil & Gas Operator | Dec 2015 |
| 15967 | Kleen Oilfield Services Co | Velma, OK 73491-0178 | Oil & Gas Operator | Jul 2025 |
| 15968 | Kleese Development Associates | Youngstown, OH 44514 | Oil & Gas Operator | Dec 2024 |
| 15969 | Klein Oil & Logging | Alma, NY 14708 | Oil & Gas Operator | Dec 2024 |
| 15970 | Klein, J. L. | Henrietta, TX 76365 | Oil & Gas Operator | Sep 2013 |
| 15971 | Klenda, John | Marion, KS 66861 | Gas Operator | Dec 2023 |
| 15972 | KLH Oil & Gas, Inc. | Cross Plains, TX 76443 | Oil & Gas Operator | Sep 2025 |
| 15973 | Klima Oil, Inc. | Great Bend, KS 67530 | Oil Operator | Dec 2009 |
| 15974 | Klima Well Servi | | Oil Operator | Dec 1996 |
| 15975 | Klima Well Service, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Apr 2025 |
| 15976 | Klimko, Nathan J. | Attica, NY 14011 | Gas Operator | Dec 2024 |
| 15977 | Kling, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Dec 2000 |
| 15978 | Klingberg, Roger | Cross Plains, TX 76443 | Oil & Gas Operator | Jan 2017 |
| 15979 | Klinger Energy Inc | Ponca City, OK 74601-7812 | Oil & Gas Operator | Oct 2019 |
| 15980 | Klinger Shirley | Ponca City, OK 74601-7812 | Oil & Gas Operator | Jul 2025 |
| 15981 | Klingler Automatic Industries Inc | | Oil & Gas Operator | Jun 2025 |
| 15982 | Klippel, B.W., Jr. | Wichita, KS 67220 | Oil Operator | May 1999 |
| 15983 | KLJ Inc | Graysville, OH 45734 | Oil & Gas Operator | Dec 2002 |
| 15984 | KLM Exploration Company, Inc. | McLouth, KS 66054 | Oil Operator | Dec 2019 |
| 15985 | KLM Oil & Gas Company | Tonganoxie, KS 66086 | Oil & Gas Operator | Apr 2014 |
| 15986 | KLM Oil Operations, Inc. | El Dorado, KS 67042 | Oil Operator | Apr 1998 |
| 15987 | KLM Operating | | Oil & Gas Operator | Mar 2025 |
| 15988 | KLM Petroleum Corp. | Midland, TX 79705 | Oil & Gas Operator | Sep 2025 |
| 15989 | KLMKH Inc | Charlotte, NC 28270 | Oil Operator | May 2025 |
| 15990 | Klo LLC | Tulsa, OK 74120-2428 | Oil & Gas Operator | Jul 2025 |
| 15991 | Klo Oil & Gas, L.L.C. | Tulsa, OK 74120 | Oil & Gas Operator | Jan 2023 |
| 15992 | Kloberdanz Paul | | Gas Operator | Apr 1991 |
| 15993 | Kloberdanz, Paul E. | Oklahoma City, OK 73157 | Oil & Gas Operator | Aug 2021 |
| 15994 | Klock, Ted | Corsicana, TX 75110 | Oil Operator | Jul 2022 |
| 15995 | Klondike Investments, Inc. | Paola, KS 66071 | Oil Operator | Sep 2011 |
| 15996 | Klotzman, M. S. Exploration Co. | Victoria, TX 77903 | Oil & Gas Operator | Sep 2025 |
| 15997 | KLT Gas Inc | Woodlands, TX 77380 | Oil & Gas Operator | Sep 2004 |
| 15998 | Klug, E A & A J (Estate) | Proctor, WV 26055-0000 | Oil & Gas Operator | Dec 2021 |
| 15999 | Klutts, Carlos J. | Austin, TX 78711 | Oil & Gas Operator | Apr 2002 |
| 16000 | KMD Operating Company LLC | | Oil & Gas Operator | Dec 2015 |